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authorTilman Schmidt <tilman@imap.cc>2009-04-05 06:39:33 +0000
committerDavid S. Miller <davem@davemloft.net>2009-04-06 17:07:57 -0700
commit51370e5b21c5825cff7482e1c38f4e7c5dab3e2b (patch)
treea20d0e46399d92a72f0056abdb025c63afae53f6 /Documentation/isdn
parent368fd81d2db26e3338c7f42778a695510aff31b3 (diff)
gigaset: in file ops, check for device disconnect before anything else
When the device is disconnected, the dev structure goes away, so trying to report another error via dev_printk is bound to oops. To avoid that, first check whether the device is still connected and return quietly if it isn't. Impact: error handling Signed-off-by: Tilman Schmidt <tilman@imap.cc> Reported-by: Paul Bolle <pebolle@tiscali.nl> Tested-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: David S. Miller <davem@davemloft.net>
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